CN114143733A - Data transmission device for power transmission Internet of things - Google Patents
Data transmission device for power transmission Internet of things Download PDFInfo
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- CN114143733A CN114143733A CN202010907372.8A CN202010907372A CN114143733A CN 114143733 A CN114143733 A CN 114143733A CN 202010907372 A CN202010907372 A CN 202010907372A CN 114143733 A CN114143733 A CN 114143733A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y30/00—IoT infrastructure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The invention provides a data transmission device for a power transmission Internet of things, which comprises: a data downlink unit, a gateway body unit and a data uplink unit; the data downlink unit, the gateway body unit and the data uplink unit are connected in sequence; a plurality of sensing devices access the data transmission device through a data downlink unit; the management system of the internet of things is accessed to the data transmission device through a data uplink unit; the plurality of sensing devices collect various kinds of collected sensing device information to the gateway body unit through the data downlink unit, the gateway body unit processes the various kinds of sensing device information and uploads the processed wide and narrow band data through the data uplink, and therefore the information of the various kinds of sensing devices is uploaded to the Internet of things management system. The method improves the multiplexing capacity of the power supply and the communication module of each access node in the actual operation process of the power transmission Internet of things.
Description
Technical Field
The invention belongs to the field of power transmission line state monitoring, and particularly relates to a data transmission device for a power transmission internet of things.
Background
With the deep construction of the transmission internet of things and a new generation of smart lines, the application of the transmission line state sensing technology is increasingly wide, the number of transmission line sensing devices is greatly increased, and the transmission line state sensing technology mainly comprises more than ten types of microclimate, wire temperature, images/videos, tower inclination, distributed fault diagnosis, thunder and lightning, ice coating, waving, sag, windage and the like. By the application of the sensing equipment and the mining analysis of the monitoring data, the comprehensive sensing level of the power transmission channel body and the environmental state information is effectively improved, the operation risk of the power transmission channel is reduced, the equipment management efficiency is improved, and the wide deployment of the sensing terminals for large-scale and various types of power transmission lines is gradually realized. Therefore, the sensing terminal on the power transmission line has the characteristics of more application types, complex field environment, coexistence of wide and narrow data and the like. The method is oriented to the acquisition requirement of on-site mass data, and provides higher requirements for the reliability of sensing data return.
In the transmission line, the gateway is a hub for sensing data aggregation, forwarding and transmission. The intelligent power transmission internet of things system comprises a communication module, a power module and a logic control module, access, intelligent analysis and processing of different kinds of data can be achieved, reliability, flexibility and comprehensiveness of the intelligent power transmission internet of things system are key links for constructing a power transmission internet of things, and the intelligent power transmission internet of things system is an infrastructure for achieving unified deployment, unified access and unified application of power transmission internet of things perception layer construction and is necessary to carry out unified planning, unified design and unified implementation.
Functionally, the gateway is configured to send the types of sensing data to the background in a wide area communication manner. Perceptual data can be divided into structured data and unstructured data. The structured data comprises narrow-band data such as tower inclination information, windage yaw information, galloping information, wire temperature information, sag information and the like, and meanwhile, the time synchronization requirement of acquisition of each narrow-band data needs to be considered; the unstructured data includes wideband data such as image data and video data. At present, most access nodes applied to the power transmission line are deployed in a manner matched with an online monitoring device. Due to the fact that the online monitoring devices of different manufacturers are deployed on the same line section, a plurality of access nodes are repeatedly configured on a base tower, and data are scattered and cut. Meanwhile, the on-line monitoring device is relatively serious in homogeneity, so that the purchasing cost is increased in the design and bidding process, the repair construction efficiency is reduced in the installation and implementation process, and the power supply and the communication module of each access node are difficult to reuse in the actual operation process, so that the new requirements of the construction of the sensing layer of the transmission internet of things can not be met, and the great waste of manpower, material resources and financial resources is caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a data transmission device for a power transmission internet of things, which comprises:
a data downlink unit, a gateway body unit and a data uplink unit;
the data downlink unit, the gateway body unit and the data uplink unit are connected in sequence;
a plurality of sensing devices access the data transmission device through a data downlink unit;
the management system of the internet of things is accessed to the data transmission device through a data uplink unit;
the plurality of sensing devices collect various kinds of collected sensing device information to the gateway body unit through the data downlink unit, the gateway body unit processes the various kinds of sensing device information and uploads the processed wide and narrow band data through the data uplink, and therefore the information of the various kinds of sensing devices is uploaded to the Internet of things management system.
Preferably, the data downlink unit includes multiple types of downlink interfaces, and the data transmission device is connected to the multiple sensing devices through the downlink interfaces of corresponding types.
Preferably, the downlink interface includes: RS485 interface, optic fibre access interface, camera interface, WIFI interface and SUB-G low-power consumption module interface.
Preferably, the sensing device comprises: the system comprises a microclimate station, a broadband data sensor measuring device, an image video data device, a patrol terminal and a narrow-band data sensor;
the microclimate station is connected with the gateway body unit through an RS485 interface;
the broadband data sensor measuring equipment is connected with the gateway body unit through an optical fiber access interface;
the image video data equipment is connected with the gateway body unit through a camera interface;
the inspection terminal is connected with the gateway body unit through the WIFI interface in the signal-free area;
in the hardware work, the narrow-band data sensor is connected with the gateway body unit through an SUB-G low-power-consumption module interface.
Preferably, the gateway ontology unit includes: the CPU comprises a CPU subunit and an edge computing chip subunit connected with the CPU subunit;
the CPU subunit controls the edge computing chip subunit to perform optimization computation on various sensing equipment information transmitted by the data downlink unit and sends the computed various sensing equipment information to the data uplink subunit.
Preferably, the gateway ontology unit further includes: the safety encryption chip subunit is connected with the edge calculation chip subunit;
the embedded safe encryption chip subunit is used for carrying out safe encryption on various sensing equipment information transmitted by a data downlink and then sending the information to the edge computing chip subunit.
Preferably, the data uplink unit includes multiple types of uplink interfaces, and the data transmission device is connected to the internet of things management system through the uplink interface of the corresponding type.
Preferably, the uplink interface includes: an RJ45 interface, a narrow-band data interface and a wide-band data interface;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through an RJ45 interface in an optical fiber transmission mode;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through a narrow-band data interface in a pre-established ad hoc network architecture mode;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through a broadband data interface in a point-to-point and point-to-multipoint mode.
Preferably, the narrowband data interface includes: the 4G/5G transmission interface, the Beidou and short message function interface and the NB-LOT module interface;
in the signal area, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit and sends the information to the Internet of things management system through a 4G/5G transmission interface;
in the signal-free area, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit and sends the information to the Internet of things management system through a short message function interface of the Beidou;
in a wide area network, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through the NB-LOT module interface.
Preferably, the broadband data interface includes: 5.8G bridge function interface;
the CPU subunit obtains various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through the 5.8G network bridge functional interface in a point-to-point and point-to-multipoint mode.
Compared with the closest prior art, the invention has the following beneficial effects:
1. the invention provides a data transmission device for a power transmission Internet of things, which comprises: a data downlink unit, a gateway body unit and a data uplink unit; the data downlink unit, the gateway body unit and the data uplink unit are connected in sequence; a plurality of sensing devices access the data transmission device through a data downlink unit; the management system of the internet of things is accessed to the data transmission device through a data uplink unit; the plurality of sensing devices collect various kinds of collected sensing device information to the gateway body unit through the data downlink unit, the gateway body unit processes the various kinds of sensing device information and uploads the processed wide and narrow band data through the data uplink, and therefore the information of the various kinds of sensing devices is uploaded to the Internet of things management system. The multiplexing capability of the power supply and the communication module of each access node in the actual operation process is improved, and therefore the construction of the power supply and the communication module of the access node of the power transmission Internet of things sensing layer is achieved.
Drawings
Fig. 1 is a schematic diagram of a data transmission device facing a power transmission internet of things provided by the invention;
fig. 2 is a schematic diagram of a design architecture of a power line intelligent gateway provided by the present invention;
fig. 3 is a schematic diagram of a power transmission internet of things architecture provided by the invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1, a data transmission device for a power transmission internet of things according to an embodiment of the present invention includes: a data downlink unit, a gateway body unit and a data uplink unit;
the data downlink unit, the gateway body unit and the data uplink unit are connected in sequence;
a plurality of sensing devices access the data transmission device through a data downlink unit;
the management system of the internet of things is accessed to the data transmission device through a data uplink unit;
the plurality of sensing devices collect various kinds of collected sensing device information to the gateway body unit through the data downlink unit, the gateway body unit processes the various kinds of sensing device information and uploads the processed wide and narrow band data through the data uplink, and therefore the information of the various kinds of sensing devices is uploaded to the Internet of things management system.
In the construction of the power transmission Internet of things, an intelligent gateway which really meets the power transmission service scene is used. Each node has wide-area data transmission capability, and the average power consumption is reasonably controlled to be milliwatt level through an algorithm.
The narrow-band data transmission adopts 433 MHz-based frequency band to carry out high-reliability and micro-power wireless transmission, and adopts a network protocol stack architecture based on uIP to support a full MESH ad hoc network; in the process of broadband data transmission, a 5.8G wireless network bridge is adopted to realize data return in a non-signal area in consideration of the actual condition of a power transmission line.
The high-reliability short-distance micro-power narrow-band wireless transmission frequency band based on the 433MHz frequency band has small interference, further prolongs the communication distance to 1000m, and is suitable for small data volume transmission. Meanwhile, an IP network protocol stack framework based on IPv6 is adopted, and the system has a self-adaptive frequency hopping and time synchronization mechanism, and meets the application requirement of synchronous acquisition of a power transmission scene. The plug and play of the terminal is realized in application, the network access configuration work is not required to be carried out on the equipment installation site, and the direct access of the terminal is supported.
The broadband data transmission based on the 5.8G wireless network bridge is suitable for services with large data volume and high real-time requirement, can simultaneously support the access of various sensing terminals with small data volume, and simultaneously supports star networking, thereby further improving the reliability. In deployment, a node with a typical distance of 10km can perform relay transmission, and the problem of data return in a signal-free area is really solved.
On the scheme architecture, the intelligent gateway is designed based on the idea of integrated wide-band and narrow-band data fusion and high-reliability data transmission. The gateway architecture is designed based on actual requirements, as shown in fig. 2.
(1) Downlink: the downlink of the gateway should support multiple data access forms to cover different signal strength areas and support equipment communication requirements of various sensors, video image terminals, optical fiber sensing devices and field personnel. The specific functions are as follows:
a) and an RS485 interface is provided. The interface is a wired access interface, and the sensor can be directly connected into an access and convergence integrated node in a wired mode so as to support the access of devices such as a micro meteorological station with higher density.
b) The optical fiber access interface is provided. In a power transmission line, measurement of ice coating, temperature and stress strain is carried out through optical fibers, and the scheme supports reliable access of terminals such as optical fiber multi-parameter sensing.
c) The camera interface is provided. The reliable access of images and video devices is realized through the RJ45 interface, so that the access requirements of video and picture data such as external damage prevention, mountain fire prevention and the like are supported, and the strong requirements of omnibearing and real-time monitoring of important circuits such as three spans are met.
d) Possess the WIFI interface. A large number of signal-free areas exist in a power transmission line scene, and the risk that inspection information cannot be uploaded in time exists when operation and maintenance personnel inspect on the spot. Through the WIFI interface, the operation and maintenance personnel can be supported to send data under the tower in time, and reliable access of the routing inspection terminal in a signal-free area is achieved.
e) The system is provided with a SUB-G (SUB-grid-edge) low-power module and embedded into an ad hoc network protocol stack. Aiming at the access of various narrow-band data in a line section, a low-power-consumption ad hoc network module based on a SUB-G frequency band is adopted. On hardware, the system works in a 433MHz frequency band, so that the communication distance is further prolonged, and the influence of a field complex environment on the communication reliability is reduced; in terms of software, a network protocol stack architecture based on uIP is adopted to support the future mass terminal deployment requirement; functionally, the method has the characteristics of self-adaptive frequency hopping and time synchronization, can meet the requirement of synchronous acquisition of data in the same domain, provides technical support for time alignment of sensing data, and supports plug and play and on-demand expansion of multiple types of sensors in the later period.
(2) A gateway body unit:
a) the processor unit supports the implantation of the LINUX operating system and the container technology to realize the loading as required and the remote upgrade of various sensing services, and can apply the scientific research results of different stages to the transmission operation and maintenance site as required to really realize the timely conversion of the research results.
b) And a safety encryption chip is embedded. A security encryption chip based on a national cryptographic algorithm is added into the node, so that the data security is effectively guaranteed.
c) An edge calculation chip is provided. The edge computing chip is supported to accelerate, the customized embedding of the power transmission service edge computing algorithm can be carried out, and different requirements in a tower-line system are met.
(3) Data upload link:
a) supporting the RJ45 interface of the OPGW. In the data uploading link, an optical fiber transmission mode needs to be supported, so that the reliable back transmission of various sensing data of large, medium and small signal areas is realized under the condition of optical fiber access.
b) Has a 4G/5G transmission mode. In a signal area, data is transmitted back in a 4G mode, broadband data such as videos and images and narrowband data transmission of various sensing terminals can be supported, and evolution to a 5G technology is supported.
c) Possesses big dipper short message function. Aiming at the data return problem of narrow-band data in a signal-free area, the Beidou-based short message function is adopted, the data return limitation of the signal-free area is really broken through, and encrypted transmission can be realized.
d) The system has the function of a 5.8G bridge. The video and image online monitoring has the characteristics of large uplink data volume, small downlink data volume, relatively fixed equipment and capability of communicating through wired connection. However, in a no-signal area of a power transmission line site, the return of a large data volume needs to be solved urgently. Based on the 5.8G network, point-to-point and point-to-multipoint data return of broadband data is carried out. The method is not limited by public network signals.
Example 2:
the application requirements and the deployment positions of the gateways based on the transmission internet of things are shown in fig. 3, the calculation capacity required by the gateways is properly measured, the CPU (central processing unit) type selection of the gateways is carried out, and the long-term reliable operation of the gateways is ensured. Aiming at an optimal standardized networking protocol, data standardized conversion and development of an uplink communication interface and a downlink communication interface are carried out, and reliable communication with a data center is guaranteed; the design of the power supply unit is carried out, the running time of the gateway is further prolonged through the mutual matching of the power supply management module and the storage battery, the endurance time of one month under the condition of no illumination is ensured, and the running reliability of the gateway is improved.
And based on the gateway hardware environment, reasonably selecting and deploying a gateway operating system. The operating system bears the logic of the service to be monitored, and the management of the managed equipment and the online upgrade of the software function are realized. Meanwhile, aiming at the calculation requirement of the monitoring data, a required algorithm is embedded at the gateway side, and edge intelligence is really realized.
The invention provides the unified planning, unified design and unified implementation of the power transmission line data access method, and can effectively realize the unified deployment, unified access and unified application of the construction of the power transmission internet of things sensing layer. Thereby the utility model can be practically used for the operation and maintenance of power transmission production and the creation of a new generation of high-level intelligent circuit.
Through the development and implementation of the above parts, the establishment of a gateway communication module, a control module and a power supply module is carried out, the access and the uploading of data are realized, and a required algorithm is embedded. The gateway is actually deployed in important sections such as a signal-free area, a three-span section of a power transmission line and the like and environment complex sections such as a mining area, a settlement area, a microclimate area and the like, so that fusion and reliable transmission of various types of wide and narrow band data are realized.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present application and not for limiting the scope of protection thereof, and although the present application is described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that after reading the present application, they can make various changes, modifications or equivalents to the specific embodiments of the application, but these changes, modifications or equivalents are all within the scope of protection of the claims to be filed.
Claims (10)
1. The utility model provides a data transmission device towards transmission of electricity thing networking which characterized in that includes: a data downlink unit, a gateway body unit and a data uplink unit;
the data downlink unit, the gateway body unit and the data uplink unit are connected in sequence;
a plurality of sensing devices access the data transmission device through a data downlink unit;
the management system of the internet of things is accessed to the data transmission device through a data uplink unit;
the plurality of sensing devices collect various kinds of collected sensing device information to the gateway body unit through the data downlink unit, the gateway body unit processes the various kinds of sensing device information and uploads the processed wide and narrow band data through the data uplink, and therefore the information of the various kinds of sensing devices is uploaded to the Internet of things management system.
2. The apparatus according to claim 1, wherein the data downlink unit comprises a plurality of types of downlink interfaces, and the data transmission apparatus accesses the plurality of sensing devices by connecting with the corresponding types of downlink interfaces.
3. The apparatus of claim 2, wherein the downstream interface comprises: RS485 interface, optic fibre access interface, camera interface, WIFI interface and SUB-G low-power consumption module interface.
4. The apparatus of claim 3, wherein the sensing device comprises: the system comprises a microclimate station, a broadband data sensor measuring device, an image video data device, a patrol terminal and a narrow-band data sensor;
the microclimate station is connected with the gateway body unit through an RS485 interface;
the broadband data sensor measuring equipment is connected with the gateway body unit through an optical fiber access interface;
the image video data equipment is connected with the gateway body unit through a camera interface;
the inspection terminal is connected with the gateway body unit through the WIFI interface in the signal-free area;
in the hardware work, the narrow-band data sensor is connected with the gateway body unit through an SUB-G low-power-consumption module interface.
5. The apparatus of claim 1, wherein the gateway ontology unit comprises: the CPU comprises a CPU subunit and an edge computing chip subunit connected with the CPU subunit;
the CPU subunit controls the edge computing chip subunit to perform optimization computation on various sensing equipment information transmitted by the data downlink unit and sends the computed various sensing equipment information to the data uplink subunit.
6. The apparatus of claim 5, wherein the gateway ontology unit further comprises: the safety encryption chip subunit is connected with the edge calculation chip subunit;
the embedded safe encryption chip subunit is used for carrying out safe encryption on various sensing equipment information transmitted by a data downlink and then sending the information to the edge computing chip subunit.
7. The apparatus of claim 5, wherein the data uplink unit comprises multiple types of uplink interfaces, and the data transmission apparatus accesses the IOT management system by connecting with the corresponding types of uplink interfaces.
8. The apparatus of claim 7, wherein the uplink interface comprises: an RJ45 interface, a narrow-band data interface and a wide-band data interface;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through an RJ45 interface in an optical fiber transmission mode;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through a narrow-band data interface in a pre-established ad hoc network architecture mode;
the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through a broadband data interface in a point-to-point and point-to-multipoint mode.
9. The apparatus of claim 8, wherein the narrowband data interface comprises: the 4G/5G transmission interface, the Beidou and short message function interface and the NB-LOT module interface;
in the signal area, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit and sends the information to the Internet of things management system through a 4G/5G transmission interface;
in the signal-free area, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit and sends the information to the Internet of things management system through a short message function interface of the Beidou;
in a wide area network, the CPU subunit acquires various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through the NB-LOT module interface.
10. The apparatus of claim 8, wherein the broadband data interface comprises: 5.8G bridge function interface;
the CPU subunit obtains various processed sensing equipment information from the edge computing chip subunit, and sends the information to the Internet of things management system through the 5.8G network bridge functional interface in a point-to-point and point-to-multipoint mode.
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| CN202010907372.8A CN114143733A (en) | 2020-09-02 | 2020-09-02 | Data transmission device for power transmission Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115473919A (en) * | 2022-08-31 | 2022-12-13 | 国网电力科学研究院有限公司 | Power transmission and transformation Internet of things perception data access method, system, device, storage medium and equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115473919A (en) * | 2022-08-31 | 2022-12-13 | 国网电力科学研究院有限公司 | Power transmission and transformation Internet of things perception data access method, system, device, storage medium and equipment |
| CN115473919B (en) * | 2022-08-31 | 2024-03-26 | 国网电力科学研究院有限公司 | Sensing data access method, system, device, storage medium and equipment for power transmission and transformation Internet of things |
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